/***********************************************************************/
/* Open Visualization Data Explorer                                    */
/* (C) Copyright IBM Corp. 1989,1999                                   */
/* ALL RIGHTS RESERVED                                                 */
/* This code licensed under the                                        */
/*    "IBM PUBLIC LICENSE - Open Visualization Data Explorer"          */
/***********************************************************************/

#include <dxconfig.h>
#include "../base/defines.h"

#ifndef _SelectorNode_h
#define _SelectorNode_h

#include "SelectionNode.h"
#include "List.h"

class Network;

//
// Class name definition:
//
#define ClassSelectorNode "SelectorNode"

//
// SelectorNode class definition:
//
class SelectorNode : public SelectionNode
{
  friend class SelectorInstance;          // For setSelectedOptionIndex().
  friend class SelectorInteractor;        // For [un]deferVisualNotification().
  friend class SelectorToggleInteractor;  // For [un]deferVisualNotification().

 private:
  //
  // Private member data:
  //

 protected:
  //
  // Protected member data:
  //

  //
  // Get a a SelectorInstance instead of an InteractorInstance.
  //
  InteractorInstance *newInteractorInstance();

  //
  // These define the initial values
  //
  virtual const char *getInitialValueList();
  virtual const char *getInitialStringList();

 public:
  //
  // Constructor:
  //
  SelectorNode( NodeDefinition *nd, Network *net, int instnc );

  //
  // Destructor:
  //
  ~SelectorNode();

  //
  // Deselect all current selections and make the given index
  // the current selection.
  //
  void setSelectedOptionIndex( int index, boolean send = TRUE );

  //
  // If there is only one item selected, then return its index,
  // otherwise return 0.
  //
  int getSelectedOptionIndex();

  //
  // Determine if this node is a node of the given class
  //
  virtual boolean isA( Symbol classname );

  //
  // Returns a pointer to the class name.
  //
  const char *getClassName()
  {
    return ClassSelectorNode;
  }
};

#endif  // _SelectorNode_h
